Xamarin login(activation) error [duplicate]

问题:

This question already has answers here:

Xamarin Studio - can not login - One of the identified items was in an invalid format (3 answers)

Closed 4 years ago.

I’m getting an error (activation) while logging into Xamarin studio on OSX.

Please find below the error. Let me know how to resolve the issue. Thanks.

There was an internal error in the activation system. Please contact Xamarin Support.

System.FormatException: One of the identified items was in an invalid format. at Xamarin.Components.Ide.Activation.ActivationService.GetErrorWorkflow (Xamarin.Components.Ide.Activation.LicenseSyncResult[] results, Boolean ignoreSyncErrors) [0x00243] in /Users/builder/data/lanes/2920/f73f730c/source/md-addins/Xamarin.Ide/Xamarin.Components.Ide/Activation/ActivationService.cs:761 at Xamarin.Components.Ide.Activation.ActivationService+c__Iterator3.MoveNext () [0x003f6] in /Users/builder/data/lanes/2920/f73f730c/source/md-addins/Xamarin.Ide/Xamarin.Components.Ide/Activation/ActivationService.cs:654 at Xamarin.Components.Ide.Activation.ActivationDialog.DisplayWorkflowStep (Xamarin.Components.Ide.Activation.ActivationWorkflowStep step) [0x0001f] in /Users/builder/data/lanes/2920/f73f730c/source/md-addins/Xamarin.Ide/Xamarin.Components.Ide/Activation/ActivationDialog.cs:486 at Xamarin.Components.Ide.Activation.ActivationDialog+c__AnonStorey4.<>m__0 (System.Threading.Tasks.Task t) [0x00051] in /Users/builder/data/lanes/2920/f73f730c/source/md-addins/Xamarin.Ide/Xamarin.Components.Ide/Activation/ActivationDialog.cs:584

回答1:

I just received the latest stable version(5.10.3.51) which resolved this issue. See here --> https://releases.xamarin.com/

回答2:

It looks like you're running into the following error: https://forums.xamarin.com/discussion/comment/188323/#Comment_188323 so it would be good to try those suggestions to see if that gets you up and running.